EMPLOYEE BENEFIT PLANS - Schedule of Fair Values of Pension Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fair Value Measured at Net Asset Value Per Share \| Fixed income
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 207.0	$ 210.3
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Plan assets	400.5	396.6	$ 529.3
Pension Benefits \| Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets	83.8	78.6
Pension Benefits \| Fair Value, Inputs, Level 1, 2 and 3 \| Cash
Defined Benefit Plan Disclosure [Line Items]
Plan assets	3.9	3.7
Pension Benefits \| Fair Value, Inputs, Level 1, 2 and 3 \| Bonds and notes
Defined Benefit Plan Disclosure [Line Items]
Plan assets	52.8	50.0
Pension Benefits \| Fair Value, Inputs, Level 1, 2 and 3 \| Global equity
Defined Benefit Plan Disclosure [Line Items]
Plan assets	8.7	7.7
Pension Benefits \| Fair Value, Inputs, Level 1, 2 and 3 \| Other
Defined Benefit Plan Disclosure [Line Items]
Plan assets	18.4	17.2
Pension Benefits \| Quoted Prices in Active Markets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Plan assets	65.4	61.4
Pension Benefits \| Quoted Prices in Active Markets (Level 1) \| Cash
Defined Benefit Plan Disclosure [Line Items]
Plan assets	3.9	3.7
Pension Benefits \| Quoted Prices in Active Markets (Level 1) \| Bonds and notes
Defined Benefit Plan Disclosure [Line Items]
Plan assets	52.8	50.0
Pension Benefits \| Quoted Prices in Active Markets (Level 1) \| Global equity
Defined Benefit Plan Disclosure [Line Items]
Plan assets	8.7	7.7
Pension Benefits \| Quoted Prices in Active Markets (Level 1) \| Other
Defined Benefit Plan Disclosure [Line Items]
Plan assets	0.0	0.0
Pension Benefits \| Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Plan assets	3.1	2.7
Pension Benefits \| Significant Other Observable Inputs (Level 2) \| Cash
Defined Benefit Plan Disclosure [Line Items]
Plan assets	0.0	0.0
Pension Benefits \| Significant Other Observable Inputs (Level 2) \| Bonds and notes
Defined Benefit Plan Disclosure [Line Items]
Plan assets	0.0	0.0
Pension Benefits \| Significant Other Observable Inputs (Level 2) \| Global equity
Defined Benefit Plan Disclosure [Line Items]
Plan assets	0.0	0.0
Pension Benefits \| Significant Other Observable Inputs (Level 2) \| Other
Defined Benefit Plan Disclosure [Line Items]
Plan assets	3.1	2.7
Pension Benefits \| Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Plan assets	15.3	14.5
Pension Benefits \| Significant Unobservable Inputs (Level 3) \| Cash
Defined Benefit Plan Disclosure [Line Items]
Plan assets	0.0	0.0
Pension Benefits \| Significant Unobservable Inputs (Level 3) \| Bonds and notes
Defined Benefit Plan Disclosure [Line Items]
Plan assets	0.0	0.0
Pension Benefits \| Significant Unobservable Inputs (Level 3) \| Global equity
Defined Benefit Plan Disclosure [Line Items]
Plan assets	0.0	0.0
Pension Benefits \| Significant Unobservable Inputs (Level 3) \| Other
Defined Benefit Plan Disclosure [Line Items]
Plan assets	15.3	14.5
Pension Benefits \| Fair Value Measured at Net Asset Value Per Share \| Total common collective funds
Defined Benefit Plan Disclosure [Line Items]
Plan assets	316.7	318.0
Pension Benefits \| Fair Value Measured at Net Asset Value Per Share \| United States equity
Defined Benefit Plan Disclosure [Line Items]
Plan assets	43.8	42.7
Pension Benefits \| Fair Value Measured at Net Asset Value Per Share \| International equity
Defined Benefit Plan Disclosure [Line Items]
Plan assets	44.0	43.4
Pension Benefits \| Fair Value Measured at Net Asset Value Per Share \| Global equity
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 21.9	$ 21.6